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प्रश्न
Write a few slogans of your own on the topic “Save Water”
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उत्तर
- “To a thirsty man, a drop of water is worth more than a sack of gold”.
- “Water covers 2/3 of the surface of the earth. But only 0.002% is drinkable. Save water”
- “Save water to secure your future”
- “Don’t make nature cry, keep your water clean”
- “Store water for dry days”.
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संबंधित प्रश्न
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| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
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